81965568

素因数分解:

$2^9\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 160

約数和(自身を含む): 239823936

約数和(自身を除く): 157858368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 43, 48, 51, 64, 68, 73, 86, 96, 102, 128, 129, 136, 146, 172, 192, 204, 219, 256, 258, 272, 292, 344, 384, 408, 438, 512, 516, 544, 584, 688, 731, 768, 816, 876, 1032, 1088, 1168, 1241, 1376, 1462, 1536, 1632, 1752, 2064, 2176, 2193, 2336, 2482, 2752, 2924, 3139, 3264, 3504, 3723, 4128, 4352, 4386, 4672, 4964, 5504, 5848, 6278, 6528, 7008, 7446, 8256, 8704, 8772, 9344, 9417, 9928, 11008, 11696, 12556, 13056, 14016, 14892, 16512, 17544, 18688, 18834, 19856, 22016, 23392, 25112, 26112, 28032, 29784, 33024, 35088, 37376, 37668, 39712, 46784, 50224, 53363, 56064, 59568, 66048, 70176, 75336, 79424, 93568, 100448, 106726, 112128, 119136, 140352, 150672, 158848, 160089, 187136, 200896, 213452, 238272, 280704, 301344, 317696, 320178, 374272, 401792, 426904, 476544, 561408, 602688, 635392, 640356, 803584, 853808, 953088, 1122816, 1205376, 1280712, 1607168, 1707616, 1906176, 2410752, 2561424, 3415232, 4821504, 5122848, 6830464, 10245696, 13660928, 20491392, 27321856, 40982784, 81965568]

約数ペア:

[(1, 81965568), (2, 40982784), (3, 27321856), (4, 20491392), (6, 13660928), (8, 10245696), (12, 6830464), (16, 5122848), (17, 4821504), (24, 3415232), (32, 2561424), (34, 2410752), (43, 1906176), (48, 1707616), (51, 1607168), (64, 1280712), (68, 1205376), (73, 1122816), (86, 953088), (96, 853808), (102, 803584), (128, 640356), (129, 635392), (136, 602688), (146, 561408), (172, 476544), (192, 426904), (204, 401792), (219, 374272), (256, 320178), (258, 317696), (272, 301344), (292, 280704), (344, 238272), (384, 213452), (408, 200896), (438, 187136), (512, 160089), (516, 158848), (544, 150672), (584, 140352), (688, 119136), (731, 112128), (768, 106726), (816, 100448), (876, 93568), (1032, 79424), (1088, 75336), (1168, 70176), (1241, 66048), (1376, 59568), (1462, 56064), (1536, 53363), (1632, 50224), (1752, 46784), (2064, 39712), (2176, 37668), (2193, 37376), (2336, 35088), (2482, 33024), (2752, 29784), (2924, 28032), (3139, 26112), (3264, 25112), (3504, 23392), (3723, 22016), (4128, 19856), (4352, 18834), (4386, 18688), (4672, 17544), (4964, 16512), (5504, 14892), (5848, 14016), (6278, 13056), (6528, 12556), (7008, 11696), (7446, 11008), (8256, 9928), (8704, 9417), (8772, 9344)]